<template>
  <div class="loginBody">
    <div class="loginDiv">
      <div class="login-content">
        <h1 class="login-title">用户登录</h1>
        <el-form :model="loginForm" label-width="100px"
        :rules="rules" ref="loginForm">
          <el-form-item label="用户名" prop="userName">
            <el-input style="width: 200px;" type="text" v-model="loginForm.userName"
            auto-complete="off" size="small"></el-input>
          </el-form-item>

          <el-form-item label="密码" prop="password">
            <el-input style="width: 200px;" type="password" v-model="loginForm.password"
            show-password auto-complete="off" size="small" @keyup.enter.native="confirm"></el-input>
          </el-form-item>

          <el-form-item  prop="rememberMe">
            <!-- <el-input type="checkbox" v-model="loginForm.rememberMe"></el-input> -->
            <el-checkbox v-model="loginForm.rememberMe">记住密码</el-checkbox>
          </el-form-item>

          <el-form-item>
            <el-button type="primary" @click="confirm" :disabled="confirm_disabled">确 定</el-button>
          </el-form-item>
        </el-form>
      </div>
    </div>
  </div>
</template>

<script>
export default {
  name: "Login",
  data(){
    return{
      confirm_disabled: false,
      loginForm:{
        userName: '',
        password: '',
        rememberMe: false
      },
      rules:{
        userName: [
            { required: true, message: '请输入用户名', trigger: 'blur' },
            // { min: 1, max: 5, message: '长度在 1 到 5 个字符', trigger: 'blur' }
          ],
        password: [
            { required: true, message: '请输入密码', trigger: 'blur' },
            // { min: 1, max: 5, message: '长度在 1 到 5 个字符', trigger: 'blur' }
          ],
      }
    }
  },
  methods: {
    confirm() {
      this.confirm_disabled = true;
      this.$refs.loginForm.validate((valid) => {
        if(valid){ // valid成功为true，失败时为fasle
          // 去后台验证用户名密码
          this.$axios.post("/api/user/login",this.loginForm).then(res => res.data).then(res => {
            console.log(res);
            if(res.code == 200){
              sessionStorage.setItem("user",JSON.stringify(res.data))
              // 跳转到主页
              this.$router.replace("/")
            }else{
              this.confirm_disabled = false;
              alert('校验失败，用户名或密码错误');
              return false;
            }
          })
          
        }else{
          this.confirm_disabled = false;
          console.log('校验失败');
          return false;
        }
      })
      
    }
  }
}
</script>

<style scoped>
  .loginBody {
  position: absolute;
  width: 100%;
  height: 100%;
  background-color: #B3C0D1;
  }
  .loginDiv {
    position: absolute;
    top: 25%;
    left: 50%;
    margin-left: -250px;
    width: 450px;
    height: 330px;
    background: #fff;
    border-radius: 5%;
  }
  .login-title {
    margin: 20px 0;
    text-align:center;
  }
  .login-content {
    width: 400px;
    height: 250px;
    position: absolute;
    top: 25px;
    left: 25px;
  }
</style>